CentOS 6.x apache cloudstack agent setup

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For cloudstack agent setup to add another host to existing cloudstack environment use:

1. Configure network on host using /etc/sysconfig/network-scripts config files without depending on NetworkManager. The network should come up automatically on system boot.
2. Set proper hostname in /etc/sysconfig/network. Also edit /etc/hosts and then do "service network resart".
3. Disable SELinux
4. Configure ntp client to synchronize system time with well known or internal time servers.
5. Configure cloudstack package repository using:

   [cloudstack]
   name=cloudstack
   baseurl=http://cloudstack.apt-get.eu/centos/6/4.8/
   enabled=1
   gpgcheck=0

6. Install agent using:

   yum -y install cloudstack-agent

7. Edit '/etc/libvirt/qemu.conf' and ensure following line/configuration is present:

   vnc_listen=0.0.0.0

8. Edit '/etc/libvirt/libvirtd.conf' and set

   listen_tls = 0
   listen_tcp = 1
   tcp_port = "16059"
   auth_tcp = "none"
   mdns_adv = 0

9. Edit '/etc/sysconfig/libvirtd' and uncomment

   LIBVIRTD_ARGS="--listen"

10. Restart libvirtd

    service libvirtd restart

11. Verify that kvm kernel module is loaded

    lsmod | grep kvm

12. Add the host to existing cloudstack setup using admin login and web dashboard

Refer:

• http://docs.cloudstack.apache.org/projects/cloudstack-installation/en/4.8/qig.html

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